package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
        /*

        动态条件查询
         */
    List<ShoppingCart> list(ShoppingCart shoppingCart);
    /*
    根据id修改商品数量
     */
    @Update("update shopping_cart set number =#{number} where id =#{id}")
    void updateNumberById(ShoppingCart shoppingCart);
    /*
    插入购物车数据
     */
    @Insert("insert into shopping_cart(name, image, user_id, dish_id, setmeal_id, dish_flavor, amount, create_time) " +
            "VALUES(#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{amount},#{createTime})")
    void insert(ShoppingCart shoppingCart);
    /*
    根据用户id删除购物车数据
     */
    @Delete("delete from shopping_cart where user_id =#{userId}")
    void deleteByUserId(Long userId);
    /**
     * 批量插入购物车数据
     *
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
